Best Water Heaters of 2026

"I was amazed at how much scale and debris this tool pulled out of my water heater—about three gallons of hard buildup. Installation was straightforward, and after using it, my tank stopped making those annoying crackling noises. I also replaced my anode rod during the process, and the results were immediate. Highly recommended for deep cleaning!"

"The tool did exactly what I needed, breaking up and clearing out sediment that had built up from years of poor maintenance. It took some time and my drill got pretty warm, but overall the tool performed reliably. The new polycarbonate design feels solid, and I appreciate the value at this price. Just keep some towels handy for water cleanup."

"I wasn't sure this would work, but after following the instructions, my tank was clean in about 15 minutes. The tool was easy to use and helped me restore my water heater to proper working order. Very satisfied with the results."

"After switching to this tankless water heater in our 4-bedroom, 3.5-bath Florida home, I was genuinely impressed by its ability to handle multiple showers and appliances simultaneously. I set it to 110 degrees for a comfortable and safe shower, and even when my wife ran the dishwasher, the water temperature stayed steady. Energy savings and environmental benefits were our main motivations, and this heater has delivered above and beyond. The only challenge was upgrading the wiring to a higher amp breaker, but the overall performance makes it worthwhile."

"As someone who dreaded a complicated installation, I found this unit surprisingly easy to set up and operate. I used a pressure-enhancing shower head and never experienced a lack of hot water or pressure. The ability to fine-tune water temperature without mixing in cold water is super convenient. I’m seeing lower electric bills and enjoying endless hot showers. Upgrading the breaker was straightforward, and working with PEX piping made the plumbing a breeze. This water heater is a total win for me."

"I replaced my old propane tank with this affordable electric tankless model and was thrilled with its flawless performance for years. The cost savings compared to propane are significant, and I only pay for the energy I use. Even with some negative reviews about customer service, I found the product reliable and cost-effective. For the price, it outperforms my expectations and is much cheaper to run than my old heater."

"As someone who travels frequently, I find this immersion water heater to be a game-changer for heating drinks on the go. Its compact size and included travel adapter make it easy to carry, and it heats water efficiently whether I'm in a hotel, camping, or offshore. After a long day, having the ability to make a hot cup of tea in my room is an absolute must for unwinding."

"I needed a way to make hot coffee after my microwave broke, and this device has been very handy for heating drinks directly in a mug. While it's slower than a microwave or electric kettle, it's great for situations like at work when I want to heat my coffee without leaving my desk. The instructions are clear, and it keeps things simple without dirtying extra dishes."

"I was really impressed by how quickly this portable heater warms up a cup of water. The included carry case and plug adapter have made it an essential for my overseas trips. It's great to have a reliable way to make tea or coffee anywhere I go."

"I was amazed at how quickly this immersion heater brings water up to temperature—it honestly felt almost magical the first time I tried it. The LCD display is bright and easy to read, so I never have to guess the water’s temperature. The device feels sturdy and reliable, and as long as I follow safety instructions, it’s incredibly efficient and convenient for getting hot water fast."

"This heater is a game-changer for heating up water in buckets or for baths. I especially appreciate the stainless steel guard for safety and the automatic shutoff when it reaches 75°C. It’s compact enough to take camping or use in emergencies, and the included cleaning ball makes maintenance simple. As long as I keep it submerged and don’t run it too long, it works flawlessly."

"I use this heater to warm up water for my horses, and it heats a 5-gallon bucket in about 20 minutes. The build quality is solid and dependable, making it a lifesaver for cold days when they won’t drink ice-cold water."

"This electric shower has truly impressed me with its fast water heating and steady temperature. The installation was a breeze, and it’s made daily showers much more enjoyable. I would definitely recommend it to others."

"I appreciate the different heat settings—it really works well once set up. However, I had to buy additional pipe extensions to get it to fit, which was a bit inconvenient. If these were included, it would be perfect."

"The unit looks good and functions, but with my high water pressure, it only gets warm, not hot, unless the tap is almost shut. The seller was helpful with a return offer, but returning it would be a hassle, so I decided to keep it."

"I was impressed by how hot this heater makes water, even enough to fill a whole bathtub. I did notice it takes a long time for larger amounts, but for buckets, it gets very hot, very quickly. At this price, I feel like it's a great find—just be careful, as it gets super hot!"

"What I really appreciate is that my baths are finally hot from start to finish, since my old hot water supply would always run out before the tub was full. This heater has made a real difference for me."

"I bought this to help heat my granddaughter’s pool, but it worked best for small batches of water, like in a bucket, where it got the water hot in just a few minutes. For bigger pools, it’s not so effective, but for small jobs, it’s perfect!"

"I needed a solution for hot baths after my old water heater broke, and this immersion heater has been a lifesaver. It’s very durable and heats my large tub to 104°F in a few hours, and smaller baths even faster. The temperature gauge is accurate and the device doesn’t take up much space, making it easy to travel with. I consider it a great value for the price and recommend it to anyone in a similar situation."

"This immersion heater works incredibly fast—heating water to over 140°F in under 5 minutes for my kitchen tasks. I love that I can use it anywhere, even outside, and the small footprint makes it so convenient. The cord is long enough for most needs, and the inclusion of a temperature gauge is a nice touch. Definitely well worth the money!"

"I use this heater to warm up water for showers during the winter. It reliably heats a 5-gallon bucket in about 25 to 30 minutes, and I’ve had no problems so far. It’s safe and quick to use as long as you follow the instructions and always immerse it before plugging it in."

"I've found this immersion heater to be extremely handy and quick at heating water. Whether I'm filling buckets or small tubs, it gets the job done in minutes. The digital thermometer is a fantastic bonus for keeping track of the water temperature. It's lightweight and simple to operate, which is great when I need hot water fast."

"Living on a farm, I use this heater to warm up 5-gallon buckets for cleaning and bathing purposes since we don't have hot water in the barn. It works perfectly in non-metal containers and is easy to use—just plug it in and it heats water quickly. The included brillo pad helps with any mineral buildup, and the product's two-year warranty gives extra peace of mind."

"This heater was a lifesaver when my friend's boiler broke. She was able to take hot showers again thanks to how practical and easy it is to use. It made a huge difference during an inconvenient time."

"This electric tankless water heater delivers hot water immediately and fits perfectly in small spaces. I found the installation process to be straightforward, and the unit runs quietly and efficiently. I love that it saves energy compared to traditional tanks, making it a great upgrade for homes or small businesses."

"I installed this tankless heater under my sink and I’m very satisfied. The digital display is easy to read, and it heats water quickly, which is perfect for kitchen or bathroom hand washing. For the price, it’s a convenient solution for getting hot water on demand."

"The product functions as described, but I want to caution others: this unit draws over 30 amps even though it’s a 110V model. Most household wiring may not support that, so I strongly recommend hiring an electrician for installation to ensure safety."